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颈动脉间隙占位性病变16例影像学特点分析

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摘要 目的提高颈动脉间隙占位性病变的诊断水平。方法回顾性分析16例经手术病理证实的颈动脉间隙占位性病变患者的影像学表现。结果 MRI表现:颈动脉体瘤呈分叶状,边界清楚,纵向生长,有特征性血管流空信号,分离并包绕颈内、外动脉;颈静脉球瘤呈不规则形,边界不清楚,斜行生长,有特征性血管流空信号;神经鞘瘤呈梭形或卵圆形,边界清楚,纵向生长,呈不伴血管流空的混杂信号,分离颈动、静脉;脑膜瘤呈哑铃形,边界清楚,纵向生长,呈均匀等信号伴脑膜尾征,包绕颈内动脉。CT表现:颈动脉体瘤和颈静脉球瘤致颈静脉孔边缘呈虫蚀状骨质破坏;神经鞘瘤致颈静脉孔边缘光整,无骨质破坏;脑膜瘤致颈静脉孔边缘呈渗透性骨质硬化。DSA表现:颈动脉体瘤和颈静脉球瘤呈明显肿瘤染色,神经鞘瘤呈轻度肿瘤染色。结论颈动脉间隙占位病变有特征性影像学表现,影像学检查可对病变做出定位、定量和定性诊断;MRI可作为非创伤性检查首选,对累及颈静脉孔的肿瘤可行CT检查,诊断不明确时可行DSA检查。
作者 叶航 郝大鹏
出处 《山东医药》 CAS 北大核心 2010年第43期92-93,共2页 Shandong Medical Journal
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